Remove dead CBC_OneDimWriter code.

Found by GCC.

Change-Id: Ia403c21b1906ba6782b5a763c67a19a56de01716
Reviewed-on: https://pdfium-review.googlesource.com/19810
Reviewed-by: dsinclair <dsinclair@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>

fxbarcode/oned/BC_OneDimWriter.cpp

diff --git a/fxbarcode/oned/BC_OneDimWriter.cpp b/fxbarcode/oned/BC_OneDimWriter.cpp
index e198b6c..0fa23bb 100644
--- a/fxbarcode/oned/BC_OneDimWriter.cpp
+++ b/fxbarcode/oned/BC_OneDimWriter.cpp
@@ -299,11 +299,6 @@
   m_outputHScale =
       m_Width > 0 ? static_cast<float>(m_Width) / static_cast<float>(codeLength)
                   : 1.0;
-  float dataLengthScale = 1.0;
-  if (m_iDataLenth > 0 && contents.GetLength() != 0)
-    dataLengthScale = float(contents.GetLength()) / float(m_iDataLenth);
-  if (m_iDataLenth > 0 && contents.GetLength() == 0)
-    dataLengthScale = float(1) / float(m_iDataLenth);
   m_multiple = 1;
   const int32_t outputHeight = 1;
   const int32_t outputWidth = codeLength;